DEMEX

Demolition, Remediation & Civil Contractor

Recent Project Success

Fox Road, Acacia Ridge, QLD

Factory demolition, asbestos removal, and civil earthworks

Recent Project Success

Fox Road, Acacia Ridge, QLD

Factory demolition, asbestos removal, and civil earthworks

Project Showcase

Project KALAMIA SUGAR MILL BOILER STACKS

KALAMIA SUGAR MILL BOILER STACKS

DEMEX undertook a technically challenging demolition of two industrial boiler stacks, located in Ayr, North Queensland, using the Brokk 200 demolition robot as part of our innovative methodology.

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Project MARY STREET

MARY STREET

DEMEX was engaged to complete asbestos removal and the demolition of a four storey inner Brisbane CBD building.

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Project 347 LYTTON ROAD

347 LYTTON ROAD

DEMEX was engaged as principal contractor to undertake asbestos removal and demolition of the large cold store warehouse facility in East Brisbane, making way for future redevelopment.

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Project THURSDAY ISLAND

THURSDAY ISLAND

DEMEX completed asbestos removal and demolition works associated with multiple structures on Thursday Island; a remote location 39 kilometres north of Cape York Peninsula in Queensland.

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Project WHITE’S SHED DECONSTRUCTION

WHITE’S SHED DECONSTRUCTION

DEMEX was engaged by Ports North to undertake deconstruction of the ageing White’s Shed, an historic sugar handling facility at the port, which had not been in use since the 1960’s.

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Project LEICHHARDT HOTEL

LEICHHARDT HOTEL

DEMEX was contracted to take over as principal contractor to demolish the Leichhardt Hotel in Rockhampton CBD following a Prohibition Notice issued on the previous contractor by WorkSafe Queensland.

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Project PALM BEACH TO TUGUN M1 UPGRADE

PALM BEACH TO TUGUN M1 UPGRADE

DEMEX was engaged to safely demolish seven bridges in a five kilometre stretch of the Pacific Motorway upgrade project representing Package C of the greater $1.5 billion-dollar Pacific Motorway upgrade project.

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Project ST BEES ISLAND

ST BEES ISLAND

As principal contractor DEMEX was engaged to undertake demolition, asbestos removal, and remediation works to enable restoration to natural bush of the 4.2-hectare parcel of land holding residences, human infrastructure, and 120 years of accumulated waste.

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Project PLANT DISMANTLE & RELOCATION (WA)

PLANT DISMANTLE & RELOCATION (WA)

DEMEX was engaged as principal contractor to dismantle and relocate a waste processing plant located in an industrial precinct in the outer suburbs of Perth.

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Project LITHGOW SMALL ARMS FACTORY

LITHGOW SMALL ARMS FACTORY

As part of ongoing redevelopment works at the Lithgow Small Arms Factory, DEMEX was engaged as principal contractor by Thales (Australia) to undertake full and partial demolition of multiple structures and site remediation.

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Project MUL057 MULWALA EXPLOSIVES FACILITY

MUL057 MULWALA EXPLOSIVES FACILITY

DEMEX was engaged as a subcontractor by Thales to undertake demolition and asbestos removal works at the Mulwala Explosives Facility in regional New South Wales.

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Project QUEENSLAND BUY BACK SCHEME DEMOLITION

QUEENSLAND BUY BACK SCHEME DEMOLITION

DEMEX was engaged as principal contractor to undertake demolition of multiple structures affected by the South East Queensland floods in January 2022.

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Project CALLIDE POWER STATION

CALLIDE POWER STATION

The client engaged DEMEX initially to undertake the removal of the disassembled gas turbine from the site prior to commencement of subsequent works to demolish and remove two redundant cooling towers 200 metres in length, 20 metres wide and 15 metres high.

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Project WILD DUCK ISLAND

WILD DUCK ISLAND

DEMEX was engaged as principal contractor by QBuild, the Queensland State Government’s builder, working in conjunction with Queensland Parks and Wildlife, to demolish 20 tourist unit structures and associated facilities on Wild Duck Island off the Central Queensland Coast within a six-week timeframe.

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Project COFFS HARBOUR PRECAST YARD

COFFS HARBOUR PRECAST YARD

DEMEX was engaged as a subcontractor to demolish a pre-cast concrete batching facility, which was custom built to support the construction of the Cross River Rail project in Brisbane.

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Project BOYNE ISLAND SMELTER TANK REMOVAL

BOYNE ISLAND SMELTER TANK REMOVAL

DEMEX was engaged by Boyne Smelters Limited as a principal contractor to undertake removal of hazardous Spent Cell Lining material from five 5,000m³ tanks and demolition of the tanks.

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Project ACACIA RIDGE BUSINESS PARK

ACACIA RIDGE BUSINESS PARK

DEMEX was engaged as principal contractor by the developer ESR to complete asbestos removal, demolition, and civil earthworks at this 17 hectare site located in the Brisbane western suburb of Acacia Ridge.

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Project TAB CORP BUILDING STRIP OUT

TAB CORP BUILDING STRIP OUT

DEMEX was engaged as principal contractor to undertake this internal strip out of a nine storey office building in Albion, a Brisbane inner city northside suburb. The works involved removal of all building materials back to a concrete shell, including the external building.

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Project PICKLES AUCTION HOUSE

PICKLES AUCTION HOUSE

Following the relocation of Pickles Auctions to a new, location, DEMEX was engaged as principal contractor by property developer Aliro Group, to undertake the demolition, remediation, and civil works on this large industrial site spanning some 57,800m² on Brisbane’s northside.

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Project MAYNE YARD STAGE 1&2

MAYNE YARD STAGE 1&2

DEMEX was engaged as a subcontractor by CPB to undertake structural demolition of Queensland Rail buildings on this Brisbane northside site.

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Specialist Demolition Services

DEMEX is a specialist demolition contractor combining services in decommissioning, deconstruction, remediation, and civil works to deliver end-to-end solutions on projects across the industrial, property development, resources and energy, government, and marine sectors. With a national reach, we assist clients to achieve successful end of asset outcomes through responsible and safe decommissioning, deconstruction, and remediation.

Our Services

Our Services DEMOLITION

Demolition

From planning to closure, we undertake complex, high reach, mechanical, and induced collapse deconstruction of infrastructure, buildings, manufacturing, mining and energy fixed assets in built up and remote locations. +Learn more about this service

Our Services REMEDIATION

Remediation

With our network of providers, we support clients to meet their sustainability commitments and achieve economically viable remediation and closure outcomes at the end of an asset’s life. +Learn more about this service

Our Services CIVIL CONTRACTING

Civil Contracting

Delivering a complete solution from demolition planning to site readiness through delivery of civil works that encompass bulk and detailed excavation, mobile crushing, and site preparation. +Learn more about this service

An ability to adapt, innovate, and thrive is what sets us apart and we’re continually searching for opportunities to level up our expertise, employees, and experience.

If you’re interested in growth and want an employer to support you achieving it, we could be your best next step.

News & Media

June 4, 2025 / Asbestos

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DEMEX

Demolition, Remediation & Civil Contractor

Recent Project Success

Recent Project Success

Project Showcase

KALAMIA SUGAR MILL BOILER STACKS

MARY STREET

347 LYTTON ROAD

THURSDAY ISLAND

WHITE’S SHED DECONSTRUCTION

LEICHHARDT HOTEL

PALM BEACH TO TUGUN M1 UPGRADE

ST BEES ISLAND

PLANT DISMANTLE & RELOCATION (WA)

LITHGOW SMALL ARMS FACTORY

MUL057 MULWALA EXPLOSIVES FACILITY

QUEENSLAND BUY BACK SCHEME DEMOLITION

CALLIDE POWER STATION

WILD DUCK ISLAND

COFFS HARBOUR PRECAST YARD

BOYNE ISLAND SMELTER TANK REMOVAL

ACACIA RIDGE BUSINESS PARK

TAB CORP BUILDING STRIP OUT

PICKLES AUCTION HOUSE

MAYNE YARD STAGE 1&2

Specialist Demolition Services

Our Services

Demolition

Remediation

Civil Contracting

News & Media

4 ways DEMEX adds value before a machine hits the ground

Decommissioning contractor for aging assets in Australia: Navigating complexities and best practice.

ECI delivers value for developers

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